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Monero Security Alert: 18-Block Reorganization Sparks Major Network Concerns

Monero Security Alert: 18-Block Reorganization Sparks Major Network Concerns

Author:
CoinTurk
Published:
2025-09-15 09:57:25
12
2

Monero's blockchain just suffered a massive 18-block reorganization—raising serious questions about the network's security foundations.

How Chain Integrity Crumbles

The reorganization exposed potential vulnerabilities in Monero's consensus mechanism, allowing miners to effectively rewrite recent transaction history. Such deep reorganizations threaten the very immutability promises that make cryptocurrencies trustworthy.

Market Impact and Trust Erosion

While Monero proponents scramble to downplay the incident, the market's reaction tells a different story. Privacy features mean little when chain stability gets compromised—another reminder that in crypto, sometimes the biggest risks aren't regulatory, but fundamental.

This incident serves as a stark warning: even established privacy coins aren't immune to the kind of chain instability that makes traditional finance folks smirk and say 'I told you so.'

What Prompted the Reorganization?

A mining pool known as Qubic initiated the reorganization, which began at block height 3,499,659 and ended at 3,499,676, lasting approximately 43 minutes. The event replaced 18 consecutive blocks and reversed a total of 117 confirmed transactions. At the Core of the issue is Qubic’s strategy, described as “selfish mining,” where it withholds newly mined blocks to maximize its mining rewards.

How Were Monero Transactions Affected?

Despite reversing multiple transactions, Qubic founder Sergey Ivancheglo, also known as Come From Beyond, stated,

“Not even a single Monero transaction was invalidated.”

This perspective suggests that the transactions’ reversal did not necessarily invalidate them, but rather repositioned them within the blockchain. However, the occurrence sparked a debate within the Monero community about the resilience and robustness of the network under such strategies.

Is Monero Facing Financial Implications?

Interestingly, Monero’s native token, XMR, did not seem adversely affected in value by the reorganization. In fact, it saw an increase of about 7.4% following the event. This counterintuitive market response suggests that while there are concerns, the long-term confidence in Monero remains steady, or it could be an indicator of speculative trading behavior post-reorg.

Such occurrences bring security protocols and the frequency of network reorganizations under scrutiny. Reorganizations, while not unprecedented, put a spotlight on how networks like Monero handle adversarial actions by entities using unconventional mining techniques. They test adaptive measures and whether such networks can maintain integrity and trust among their users.

For networks prioritizing anonymity and privacy, these situations highlight the delicate balance between maintaining security and maximizing efficiency. Experts may argue that transparent blockchains with clear transactional histories face fewer challenges, but this compromises user privacy that Monero users count on.

Cryptocurrency developers must regularly update protocols to address vulnerabilities exposed by events like this. The Monero incident underscores the necessity of constant vigilance and adaptation in decentralized networks to protect user interests consistently. Furthermore, understanding the dynamics of mining strategies is crucial for investors to gauge the stability of privacy-focused coins in their portfolio.

You can follow our news on Telegram, Facebook, Twitter & Coinmarketcap Disclaimer: The information contained in this article does not constitute investment advice. Investors should be aware that cryptocurrencies carry high volatility and therefore risk, and should conduct their own research.

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